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Neon atoms do not combine to form Ne2 molecules, yet neon atoms can be liquified through the following intermolecular forces: Answer dipole - dipole ion - dipole dipole - induced dipole dispersion nonmetal - nonmetal
how much energy is required to heat an iron nail with a mass of 7g from 25 degrees celcius until it becomes red hot at
These changes are brought about by a heater that supplies heat at a constant rate of 1000 W. Sketch graphs showing a) the temperature vs. time b) the enthalpy vs. time c) Enthalpy vs. temperature for this process. Mark the salient features.
How much heat (kJ) is absorbed/ released? b. What is the change in internal energy (kJ) if the reaction results in a volume change of - 2.78 L?
a compound is a weak acid with a pka of 7.4. you make 100 ml of a 1.0 m solution of this compound. the ph of the
Explain the difference between equivalence point and end point... Explain how the pH at the equivalence point varies as the strength of the acid increases.
assign absolube stereochemistry (R or S) to each of the stereocenters in (+)menthol
Most community water supplies contain 0.5 ppm chlorine added for purification. What mass of chlorine must be added to 1500. L of water to reach this level. (Hint: the density of water is 1.00 g/mL)
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.434 grams of iron and 12.2 mL of 0.52M copper(II) sulfate react to form as much product as possible.
the manufacture of perfumes, contains 3.758 g of carbon, 0.316 g of hydrogen, and 1.251 g of oxygen. What is the empirical formula of this substance?
the 1H NMR spectrum contains a triplet at 1.08 ppm (3H), a singlet at 2.5 ppm (3H), and a quartet at 2.45 ppm (2h). the magnitudes of the splitting of both the quartet and triplet are identical. deduce the structure of this compound and assign all..
Give the structure for an isomer of compound A that has a melting point that is appreciably different from that of A yet NMR spectra that are almost identical to those of A. Include wedge/dash bonds.
How many air molecules are in a 10.0x20.0x10.0 ft room? Assume atmospheric pressure of 1.00atm , a room temperature of 20.0C , and ideal behavior.
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